The Sanyo JT-366 L is a stereo tuner that was produced as part of the Sanyo System 566. It was manufactured between 1985 and 1987. This device was designed to enhance the audio experience by tuning into various radio frequencies, allowing users to enjoy their favorite music and programs. It is commonly noted for its manual tuning capabilities, providing a more hands-on approach to radio listening. The tuner is part of a series that includes other models like the Sanyo T-36 L and Sanyo JT-226 L. Although specific technical specifications are not detailed, it is appreciated for its reliability and performance in home audio systems during its production years.